8-bit Xephyr: dynamic display of color table changes?
8-bit Xephyr: dynamic display of color table changes?
- Subject: 8-bit Xephyr: dynamic display of color table changes?
- From: Leonard Sitongia <email@hidden>
- Date: Sat, 2 Feb 2008 21:25:21 -0700
I'm trying to replicate an old 8-bit framebuffer behavior (on Solaris)
for an image processing package called IDL. Users like the behavior
in which changing the color table with a tool will immediately /
dynamically change the colors shown in the image also displayed in a
separate window. Really, I think it was changing all the system
colors, in the simple 8-bit buffer.
I've read that 8-bit / 256 color Preferences doesn't work in x11, and
to try Xephyr. I'm doing that. It is really close to giving me what
I'm looking for. The thing is, the color in the image doesn't change
immediately, but if I move the mouse over the image, it "paints" out
an area under the mouse cursor (about 4x the size of the cross) of the
new color. That is, as I wave the mouse over the picture, it is
magically painted out in the new colors which I selected when I used
the color adjustment tool. So, the colors are changing in some sense,
but the mouse is doing something (refreshing the image under the
cursor?) so as to show the new colors.
To me, this hints that I'm close. Is it possible to get the image to
immediately refresh automatically? I don't want the user to have to
run a command to redraw the image, because they are using a slider to
manipulate the image, in a tool that is running in a separate window.
I need to change all the colors in the Xephyr window immediately,
automatically, just by sliding the color adjuster.
Thanks for any help.
==Leonard E. Sitongia
One Inextricable Beam
http://www.onebeam.net/
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